Question: When was Mitsubishi UFJ Financial Group owned by The Vanguard Group?
Paraphrase: When did the Vanguard Group own Mitsubishi UFJ Financial Group?
SPARQL (Wikidata): SELECT ?value WHERE { wd:Q1542175 p:P127 ?s . ?s ps:P127 wd:Q849363 . ?s pq:P585 ?value}